[Libreoffice-bugs] [Bug 123072] running with VCL=qt5 takes more than 10 minutes to start

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=123072

Jan-Marek Glogowski <glogow at fbihome.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |FIXED

--- Comment #8 from Jan-Marek Glogowski <glogow at fbihome.de> ---
So these patches should cut down startup time for qt5 a lot. It's still not as
fast as Cairo, but very much better here with all these Noto font variants
installed for testing.

And these kind of bugs are the reason the qt5 VCL plugin (read it as the
QPainter rendering path) is never selected automatically: the rendering code is
still too buggy, especially the font handling. As you know you can switch the
qt5 plugin to use Cairo. KDE5 just hard-codes Cairo, as it's just a few
additional LOC to implement some KF5 specific stuff on top of qt5.

Still I'm happy if people test it, but it (QPainter rendering) is - almost
literally - a one person free time show. This plugin gets all the general fixes
through the kde5 one, but this currently explicitly excludes the whole
rendering. And IMHO there are still too many other bugs in the KDE5 meta, which
IMHO still makes it experimental, but it gets much better, as many more people
are interested in fixing it :-)

There will be some discussion in ESC, if the kde5 plugin should be selected at
all when 6.2 becomes LO still (start of June when 6.3.0 will be out). We wanted
people to test it without too much hassle, so it's currently available and not
experimental. Maybe that'll change, but we have three more months to fix 6.2
enough.

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